1 bare cart weighed is 15 ounces,one ounce short of 1 LB.
If you pack the cartridge in an MVS box or a container similar to that size,you are looking at approximately 1 pound,4 ounces.
Add packing materials,you're looking at approximately 1 pound,8 ounces.No more than `1 pound,10 ounces(packed really well).
-BB